102000102120 has 160 divisors (see below), whose sum is σ = 391810003200. Its totient is φ = 23314303872.

The previous prime is 102000102067. The next prime is 102000102161. The reversal of 102000102120 is 21201000201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2226000 + ... + 2271359.

It is an arithmetic number, because the mean of its divisors is an integer number (2448812520).

Almost surely, 2^102000102120 is an apocalyptic number.

102000102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102000102120 is an abundant number, since it is smaller than the sum of its proper divisors (289809901080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102000102120 is a wasteful number, since it uses less digits than its factorization.

102000102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497389 (or 4497376 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102000102120 its reverse (21201000201), we get a palindrome (123201102321).

The spelling of 102000102120 in words is "one hundred two billion, one hundred two thousand, one hundred twenty".